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run code in 200+ php & hhvm versions
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<?php $date1 = new DateTime('2015-03-31'); $date2 = new DateTime('2015-03-01'); $interval = $date1->diff($date2); $diff = $interval->format('%y-%m-%d'); echo $interval->m; echo "\n"; echo $diff; echo "\n"; $date1 = "2015-03-31"; $date2 = "2015-03-01"; $diff = abs(strtotime($date2) - strtotime($date1)); $years = floor($diff / (365*60*60*24)); $months = floor(($diff - $years * 365*60*60*24) / (30*60*60*24)); $days = floor(($diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24)); printf("%d years, %d months, %d days\n", $years, $months, $days); ?>
based on VRhlr
Output for 5.3.0 - 7.2.0
1 0-1-2 0 years, 0 months, 29 days
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/3mXh6 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/3mXh6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/3mXh6 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/3mXh6 on line 3